<template>
  <div class="login-wrap">
    <el-form label-position="left" :model="ruleForm" :rules="rules" ref="ruleForm" label-width="0px" class="demo-ruleForm login-container">
      <h3 class="title">用户登录</h3>
      <el-form-item prop="username">
        <el-input type="text" v-model="ruleForm.username" auto-complete="off" placeholder="账号"></el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input type="password" v-model="ruleForm.password" auto-complete="off" placeholder="密码"></el-input>
      </el-form-item>
      <el-row>
        <el-col :span="12">
          <el-form-item prop="code">
            <el-input type="text" v-model="ruleForm.code" auto-complete="off" placeholder="图形验证码" @keyup.enter.native="submitForm('ruleForm')"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12" class="code-box">
          <img :src="ruleForm.codeimg" alt="" class="codeimg">
          <div @click="refreshCode" style="margin-right: 50px;margin-top: -18px">
            <SIdentify :identifyCode="identifyCode"></SIdentify>
          </div>
        </el-col>

      </el-row>
      <el-checkbox class="remember" v-model="rememberpwd">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button type="primary" style="width:100%;" @click="submitForm('ruleForm')" :loading="logining">登录</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script type="text/ecmascript-6">
import SIdentify from "@/pages/code/identify";
export default {
  name: 'login',
  components: {
    SIdentify
  },
  data() {
    return {
      //定义loading默认为false
      logining: false,
      // 记住密码
      rememberpwd: false,
      ruleForm: {
        //username和password默认为空
        username: '',
        password: '',
        code: '',
        randomStr: '',
        codeimg: ''
      },
      //rules前端验证
      rules: {
        username: [{ required: true, message: '请输入账号', trigger: 'blur' }],
        password: [{ required: true, message: '请输入密码', trigger: 'blur' }],
        code: [{ required: true, message: '请输入验证码', trigger: 'blur' }]
      },

      //验证码
      identifyCodes: "1234567890",
      identifyCode: ""
    }
  },
  // 创建完毕状态(里面是操作)
  created() {
    this.$message({
      message: '账号密码及验证码不为空即可',
      type: 'success'
    })


  },
  mounted() {
    const self = this
    self.identifyCode = "";
    self.makeCode(this.identifyCodes, 4);
    self.ruleForm.codeimg = self.identifyCode
  },
  // 里面的函数只有调用才会执行
  methods: {

    //生成验证码工具
    randomNum(min, max) {
      return Math.floor(Math.random() * (max - min) + min);
    },
    //刷新验证码
    refreshCode() {
      this.identifyCode = "";
      this.makeCode(this.identifyCodes, 4);
      this.ruleForm.codeimg = this.identifyCode
    },
    //验证
    makeCode(o, l) {
      for (let i = 0; i < l; i++) {
        this.identifyCode += this.identifyCodes[
            this.randomNum(0, this.identifyCodes.length)
            ];
      }
    },

    //获取info列表
    submitForm(formName) {
      this.$refs[formName].validate(valid => {
        if (valid) {
          if (this.ruleForm.code===this.ruleForm.codeimg){

            this.$axios
                .post(`http://localhost:9090/loan/admin/login?adminName=`+this.ruleForm.username+`&adminPassword=`+this.ruleForm.password).then(
                response => {
                  if (response.data.success) {
                    localStorage.setItem("adminName",this.ruleForm.username)
                    this.$message({
                      type: 'success',
                      message: '登录成功，即将跳转！'
                    })
                    this.$router.push({ path: '/index/mainAdmin' })
                  } else {
                    this.$message({
                      type: 'info',
                      message: "登录失败，用户名或密码输入错误！"
                    })
                  }

                }
            ).catch(err => {
              this.$message.error('登录失败，请稍后再试！')
            })
          }else {
            // 获取图形验证码
            this.$message.error('验证码输入密码！')
          }
        } else {
          this.logining = false
          return false
        }
      })
    },
  }
}
</script>

<style scoped>
.login-wrap {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  padding-top: 10%;
  background-image: url();
  /* background-color: #112346; */
  background-repeat: no-repeat;
  background-position: center right;
  background-size: 100%;
}
.login-container {
  border-radius: 10px;
  margin: 0px auto;
  width: 350px;
  padding: 30px 35px 15px 35px;
  background: #fff;
  border: 1px solid #eaeaea;
  text-align: left;
  box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
}
.title {
  margin: 0px auto 40px auto;
  text-align: center;
  color: #505458;
}
.remember {
  margin: 0px 0px 35px 0px;
}
.code-box {
  text-align: right;
}
.codeimg {
  height: 40px;
}
</style>
